1. haldemsis
    [Pachydiscus (P.) haldemsis]
  2. hamulatus
    [Hamulisphinctes hamulatus (m)]
  3. haplophyllus
    [Tissotioides haplophyllus]
  4. harpax
    [Pseudocalycoceras harpax]
  5. haugi
    [Orthogarantiana haugi (M)]
  6. hazzardi
    [Pachydiscus (P.) hazzardi]
  7. helenae
    [Perisphinctes (Arisphinctes) helenae (M)]
  8. heptangulare
    [Liparoceras (L.) heptangulare]
  9. heterophyllum
    [Phylloceras (P.) heterophyllum]
  10. heteropleurum
    [Platylenticeras (P.) heteropleurum]
  11. hetonaiense
    [Neophylloceras hetonaiense]
  12. hispidum
    [Ochetoceras hispidum]
  13. holbeini
    [Taramelliceras holbeini]
  14. hourcqi
    [Texanites (T.) gr. hourcqi]
  15. hulenense
    [Brewericeras hulenense]
  16. humphresianum
    [Stephanoceras gr. humphresianum]
  17. hyatti
    [Nostoceras (N.) hyatti (M)]
  18. hyatti
    [Nostoceras (N.) hyatti (M)]